12200033988 has 108 divisors (see below), whose sum is σ = 32674643820. Its totient is φ = 3837601152.

The previous prime is 12200033987. The next prime is 12200034019. The reversal of 12200033988 is 88933000221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7645403844 + 4554630144 = 87438^2 + 67488^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200033987) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3598198 + ... + 3601586.

Almost surely, 2^12200033988 is an apocalyptic number.

12200033988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200033988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16337321910).

12200033988 is an abundant number, since it is smaller than the sum of its proper divisors (20474609832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200033988 is a wasteful number, since it uses less digits than its factorization.

12200033988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714 (or 3690 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 12200033988 in words is "twelve billion, two hundred million, thirty-three thousand, nine hundred eighty-eight".